# duality

> symmetry in projective geometry

**Wikidata**: [Q735346](https://www.wikidata.org/wiki/Q735346)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Duality_(projective_geometry))  
**Source**: https://4ort.xyz/entity/duality-q735346


## References

1. Freebase Data Dumps. 2013